Viewing Station: CO-BO-14 : Boulder 1.6 S
Jul 8, 2001 - Sep 15, 20258,803 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.60"
September 1-16, 2025(15 of 16 days covered by obs)
NOAA Normal
0.82"
Departure from Normal
-0.22" : 74% of Normal
Year-To-Date: 15.30"
Jan 1 to Sep 16, 2025(243 of 259 days covered by obs)
NOAA Normal
15.25"
Departure from Normal
0.05" : 100% of Normal
Water Year-To-Date: 18.38"
Oct 1, 2024 to Sep 16, 2025(335 of 351 days covered by obs)
NOAA Normal
18.39"
Departure from Normal
-0.01" : 100% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.71
0.77
-0.06
Feb
0.91
0.98
-0.07
Mar
1.84
1.93
-0.09
Apr
2.72
2.76
-0.04
May
2.80
3.17
-0.37
Jun
1.88
1.96
-0.08
Jul
1.84
1.74
0.10
Aug
1.73
1.72
0.01
Sep
1.53
2.01
-0.48
Oct
1.37
1.57
-0.20
Nov
1.06
1.14
-0.08
Dec
0.71
0.77
-0.06
19.10
20.52
-1.42